TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

INERTIAL NAVIGATION SYSTEM INITIALIZATION [1 record]

Record 1 2001-09-21

English

Subject field(s)
  • Aircraft Piloting and Navigation
  • Launching and Space Maneuvering
  • Ship Piloting
CONT

This thesis presents a new approach for the initialization process (initial alignment and calibration) of strapdown Inertial Navigation Systems for air launched tactical missiles operating in an unaided inertial navigation mode... The initialization is treated as a training of Artificial Neural Network filter. A new methodology is developed which can handle, misalignment of Inertial Navigation System and scale factor, as well as bias errors of the measurement instruments used in Inertial Navigation System... It is shown that the optimization algorithm employed as well as Artificial Neural Network is quite suitable for Inertial Navigation System initialization. Prelaunch aircraft maneuvers measured by the Inertial Navigation System of the aircraft provide the necessary training data for the Neural Network for the missile navigation system that initializes the missile's inertial navigation system.

Key term(s)
  • initialization of an inertial navigation system
  • initializing of an inertial navigation system
  • INS initializing

French

Domaine(s)
  • Pilotage et navigation aérienne
  • Lancement et manœuvres dans l'espace
  • Pilotage des navires
CONT

Alignement et initialisation de la centrale : la deuxième opération consiste à aligner la plate-forme sur les directions stellaires, ou encore aligner les axes plate-forme Xp, Yp, Zp sur les axes absolus. [...] À l'instant initial, cette opération porte le nom d'initialisation de la centrale, et à un instant quelconque on l'appellera asservissement de la plate-forme. Tout repose sur une rotation d'erreur détectée par des «pick off» (détecteurs d'écarts angulaires) placés sur les articulations des axes 1-2-3-4.

OBS

Un des gros inconvénients des centrales inertielles était la nécessité de les recaler (tout comme le conservateur de cap). De nos jours cet inconvénient a totalement disparu dans la mesure où l'initialisation est réalisée automatiquement à partir d'informations issues d'au moins trois satellites ... Américains.

Spanish

Save record 1

Copyright notice for the TERMIUM Plus® data bank

© Public Services and Procurement Canada, 2024
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Features

Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: